include/linux/qed/qed_eth_if.h

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #ifndef _QED_ETH_IF_H
  34 #define _QED_ETH_IF_H
  35
  36 #include <linux/list.h>
  37 #include <linux/if_link.h>
  38 #include <linux/qed/eth_common.h>
  39 #include <linux/qed/qed_if.h>
  40 #include <linux/qed/qed_iov_if.h>
  41
  42 /* 64 max queues * (1 rx + 4 tx-cos + 1 xdp) */
  43 #define QED_MIN_L2_CONS (2 + NUM_PHYS_TCS_4PORT_K2)
  44 #define QED_MAX_L2_CONS (64 * (QED_MIN_L2_CONS))
  45
  46 struct qed_queue_start_common_params {
  47         /* Should always be relative to entity sending this. */
  48         u8 vport_id;
  49         u16 queue_id;
  50
  51         /* Relative, but relevant only for PFs */
  52         u8 stats_id;
  53
  54         struct qed_sb_info *p_sb;
  55         u8 sb_idx;
  56
  57         u8 tc;
  58 };
  59
  60 struct qed_rxq_start_ret_params {
  61         void __iomem *p_prod;
  62         void *p_handle;
  63 };
  64
  65 struct qed_txq_start_ret_params {
  66         void __iomem *p_doorbell;
  67         void *p_handle;
  68 };
  69
  70 enum qed_filter_config_mode {
  71         QED_FILTER_CONFIG_MODE_DISABLE,
  72         QED_FILTER_CONFIG_MODE_5_TUPLE,
  73         QED_FILTER_CONFIG_MODE_L4_PORT,
  74         QED_FILTER_CONFIG_MODE_IP_DEST,
  75         QED_FILTER_CONFIG_MODE_IP_SRC,
  76 };
  77
  78 struct qed_ntuple_filter_params {
  79         /* Physically mapped address containing header of buffer to be used
  80          * as filter.
  81          */
  82         dma_addr_t addr;
  83
  84         /* Length of header in bytes */
  85         u16 length;
  86
  87         /* Relative queue-id to receive classified packet */
  88 #define QED_RFS_NTUPLE_QID_RSS ((u16)-1)
  89         u16 qid;
  90
  91         /* Identifier can either be according to vport-id or vfid */
  92         bool b_is_vf;
  93         u8 vport_id;
  94         u8 vf_id;
  95
  96         /* true iff this filter is to be added. Else to be removed */
  97         bool b_is_add;
  98
  99         /* If flow needs to be dropped */
 100         bool b_is_drop;
 101 };
 102
 103 struct qed_dev_eth_info {
 104         struct qed_dev_info common;
 105
 106         u8      num_queues;
 107         u8      num_tc;
 108
 109         u8      port_mac[ETH_ALEN];
 110         u16     num_vlan_filters;
 111         u16     num_mac_filters;
 112
 113         /* Legacy VF - this affects the datapath, so qede has to know */
 114         bool is_legacy;
 115
 116         /* Might depend on available resources [in case of VF] */
 117         bool xdp_supported;
 118 };
 119
 120 struct qed_update_vport_rss_params {
 121         void    *rss_ind_table[128];
 122         u32     rss_key[10];
 123         u8      rss_caps;
 124 };
 125
 126 struct qed_update_vport_params {
 127         u8 vport_id;
 128         u8 update_vport_active_flg;
 129         u8 vport_active_flg;
 130         u8 update_tx_switching_flg;
 131         u8 tx_switching_flg;
 132         u8 update_accept_any_vlan_flg;
 133         u8 accept_any_vlan;
 134         u8 update_rss_flg;
 135         struct qed_update_vport_rss_params rss_params;
 136 };
 137
 138 struct qed_start_vport_params {
 139         bool remove_inner_vlan;
 140         bool handle_ptp_pkts;
 141         bool gro_enable;
 142         bool drop_ttl0;
 143         u8 vport_id;
 144         u16 mtu;
 145         bool clear_stats;
 146 };
 147
 148 enum qed_filter_rx_mode_type {
 149         QED_FILTER_RX_MODE_TYPE_REGULAR,
 150         QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC,
 151         QED_FILTER_RX_MODE_TYPE_PROMISC,
 152 };
 153
 154 enum qed_filter_xcast_params_type {
 155         QED_FILTER_XCAST_TYPE_ADD,
 156         QED_FILTER_XCAST_TYPE_DEL,
 157         QED_FILTER_XCAST_TYPE_REPLACE,
 158 };
 159
 160 struct qed_filter_ucast_params {
 161         enum qed_filter_xcast_params_type type;
 162         u8 vlan_valid;
 163         u16 vlan;
 164         u8 mac_valid;
 165         unsigned char mac[ETH_ALEN];
 166 };
 167
 168 struct qed_filter_mcast_params {
 169         enum qed_filter_xcast_params_type type;
 170         u8 num;
 171         unsigned char mac[64][ETH_ALEN];
 172 };
 173
 174 union qed_filter_type_params {
 175         enum qed_filter_rx_mode_type accept_flags;
 176         struct qed_filter_ucast_params ucast;
 177         struct qed_filter_mcast_params mcast;
 178 };
 179
 180 enum qed_filter_type {
 181         QED_FILTER_TYPE_UCAST,
 182         QED_FILTER_TYPE_MCAST,
 183         QED_FILTER_TYPE_RX_MODE,
 184         QED_MAX_FILTER_TYPES,
 185 };
 186
 187 struct qed_filter_params {
 188         enum qed_filter_type type;
 189         union qed_filter_type_params filter;
 190 };
 191
 192 struct qed_tunn_params {
 193         u16 vxlan_port;
 194         u8 update_vxlan_port;
 195         u16 geneve_port;
 196         u8 update_geneve_port;
 197 };
 198
 199 struct qed_eth_cb_ops {
 200         struct qed_common_cb_ops common;
 201         void (*force_mac) (void *dev, u8 *mac, bool forced);
 202         void (*ports_update)(void *dev, u16 vxlan_port, u16 geneve_port);
 203 };
 204
 205 #define QED_MAX_PHC_DRIFT_PPB   291666666
 206
 207 enum qed_ptp_filter_type {
 208         QED_PTP_FILTER_NONE,
 209         QED_PTP_FILTER_ALL,
 210         QED_PTP_FILTER_V1_L4_EVENT,
 211         QED_PTP_FILTER_V1_L4_GEN,
 212         QED_PTP_FILTER_V2_L4_EVENT,
 213         QED_PTP_FILTER_V2_L4_GEN,
 214         QED_PTP_FILTER_V2_L2_EVENT,
 215         QED_PTP_FILTER_V2_L2_GEN,
 216         QED_PTP_FILTER_V2_EVENT,
 217         QED_PTP_FILTER_V2_GEN
 218 };
 219
 220 enum qed_ptp_hwtstamp_tx_type {
 221         QED_PTP_HWTSTAMP_TX_OFF,
 222         QED_PTP_HWTSTAMP_TX_ON,
 223 };
 224
 225 #ifdef CONFIG_DCB
 226 /* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration
 227  * of dcbnl_rtnl_ops structure.
 228  */
 229 struct qed_eth_dcbnl_ops {
 230         /* IEEE 802.1Qaz std */
 231         int (*ieee_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
 232         int (*ieee_setpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
 233         int (*ieee_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
 234         int (*ieee_setets)(struct qed_dev *cdev, struct ieee_ets *ets);
 235         int (*ieee_peer_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
 236         int (*ieee_peer_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
 237         int (*ieee_getapp)(struct qed_dev *cdev, struct dcb_app *app);
 238         int (*ieee_setapp)(struct qed_dev *cdev, struct dcb_app *app);
 239
 240         /* CEE std */
 241         u8 (*getstate)(struct qed_dev *cdev);
 242         u8 (*setstate)(struct qed_dev *cdev, u8 state);
 243         void (*getpgtccfgtx)(struct qed_dev *cdev, int prio, u8 *prio_type,
 244                              u8 *pgid, u8 *bw_pct, u8 *up_map);
 245         void (*getpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
 246         void (*getpgtccfgrx)(struct qed_dev *cdev, int prio, u8 *prio_type,
 247                              u8 *pgid, u8 *bw_pct, u8 *up_map);
 248         void (*getpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
 249         void (*getpfccfg)(struct qed_dev *cdev, int prio, u8 *setting);
 250         void (*setpfccfg)(struct qed_dev *cdev, int prio, u8 setting);
 251         u8 (*getcap)(struct qed_dev *cdev, int capid, u8 *cap);
 252         int (*getnumtcs)(struct qed_dev *cdev, int tcid, u8 *num);
 253         u8 (*getpfcstate)(struct qed_dev *cdev);
 254         int (*getapp)(struct qed_dev *cdev, u8 idtype, u16 id);
 255         u8 (*getfeatcfg)(struct qed_dev *cdev, int featid, u8 *flags);
 256
 257         /* DCBX configuration */
 258         u8 (*getdcbx)(struct qed_dev *cdev);
 259         void (*setpgtccfgtx)(struct qed_dev *cdev, int prio,
 260                              u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
 261         void (*setpgtccfgrx)(struct qed_dev *cdev, int prio,
 262                              u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
 263         void (*setpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
 264         void (*setpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
 265         u8 (*setall)(struct qed_dev *cdev);
 266         int (*setnumtcs)(struct qed_dev *cdev, int tcid, u8 num);
 267         void (*setpfcstate)(struct qed_dev *cdev, u8 state);
 268         int (*setapp)(struct qed_dev *cdev, u8 idtype, u16 idval, u8 up);
 269         u8 (*setdcbx)(struct qed_dev *cdev, u8 state);
 270         u8 (*setfeatcfg)(struct qed_dev *cdev, int featid, u8 flags);
 271
 272         /* Peer apps */
 273         int (*peer_getappinfo)(struct qed_dev *cdev,
 274                                struct dcb_peer_app_info *info,
 275                                u16 *app_count);
 276         int (*peer_getapptable)(struct qed_dev *cdev, struct dcb_app *table);
 277
 278         /* CEE peer */
 279         int (*cee_peer_getpfc)(struct qed_dev *cdev, struct cee_pfc *pfc);
 280         int (*cee_peer_getpg)(struct qed_dev *cdev, struct cee_pg *pg);
 281 };
 282 #endif
 283
 284 struct qed_eth_ptp_ops {
 285         int (*cfg_filters)(struct qed_dev *, enum qed_ptp_filter_type,
 286                            enum qed_ptp_hwtstamp_tx_type);
 287         int (*read_rx_ts)(struct qed_dev *, u64 *);
 288         int (*read_tx_ts)(struct qed_dev *, u64 *);
 289         int (*read_cc)(struct qed_dev *, u64 *);
 290         int (*disable)(struct qed_dev *);
 291         int (*adjfreq)(struct qed_dev *, s32);
 292         int (*enable)(struct qed_dev *);
 293 };
 294
 295 struct qed_eth_ops {
 296         const struct qed_common_ops *common;
 297 #ifdef CONFIG_QED_SRIOV
 298         const struct qed_iov_hv_ops *iov;
 299 #endif
 300 #ifdef CONFIG_DCB
 301         const struct qed_eth_dcbnl_ops *dcb;
 302 #endif
 303         const struct qed_eth_ptp_ops *ptp;
 304
 305         int (*fill_dev_info)(struct qed_dev *cdev,
 306                              struct qed_dev_eth_info *info);
 307
 308         void (*register_ops)(struct qed_dev *cdev,
 309                              struct qed_eth_cb_ops *ops,
 310                              void *cookie);
 311
 312          bool(*check_mac) (struct qed_dev *cdev, u8 *mac);
 313
 314         int (*vport_start)(struct qed_dev *cdev,
 315                            struct qed_start_vport_params *params);
 316
 317         int (*vport_stop)(struct qed_dev *cdev,
 318                           u8 vport_id);
 319
 320         int (*vport_update)(struct qed_dev *cdev,
 321                             struct qed_update_vport_params *params);
 322
 323         int (*q_rx_start)(struct qed_dev *cdev,
 324                           u8 rss_num,
 325                           struct qed_queue_start_common_params *params,
 326                           u16 bd_max_bytes,
 327                           dma_addr_t bd_chain_phys_addr,
 328                           dma_addr_t cqe_pbl_addr,
 329                           u16 cqe_pbl_size,
 330                           struct qed_rxq_start_ret_params *ret_params);
 331
 332         int (*q_rx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
 333
 334         int (*q_tx_start)(struct qed_dev *cdev,
 335                           u8 rss_num,
 336                           struct qed_queue_start_common_params *params,
 337                           dma_addr_t pbl_addr,
 338                           u16 pbl_size,
 339                           struct qed_txq_start_ret_params *ret_params);
 340
 341         int (*q_tx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
 342
 343         int (*filter_config)(struct qed_dev *cdev,
 344                              struct qed_filter_params *params);
 345
 346         int (*fastpath_stop)(struct qed_dev *cdev);
 347
 348         int (*eth_cqe_completion)(struct qed_dev *cdev,
 349                                   u8 rss_id,
 350                                   struct eth_slow_path_rx_cqe *cqe);
 351
 352         void (*get_vport_stats)(struct qed_dev *cdev,
 353                                 struct qed_eth_stats *stats);
 354
 355         int (*tunn_config)(struct qed_dev *cdev,
 356                            struct qed_tunn_params *params);
 357
 358         int (*ntuple_filter_config)(struct qed_dev *cdev,
 359                                     void *cookie,
 360                                     struct qed_ntuple_filter_params *params);
 361
 362         int (*configure_arfs_searcher)(struct qed_dev *cdev,
 363                                        enum qed_filter_config_mode mode);
 364         int (*get_coalesce)(struct qed_dev *cdev, u16 *coal, void *handle);
 365         int (*req_bulletin_update_mac)(struct qed_dev *cdev, u8 *mac);
 366 };
 367
 368 const struct qed_eth_ops *qed_get_eth_ops(void);
 369 void qed_put_eth_ops(void);
 370
 371 #endif